Sheu, David Der-Duen (1991): Geochemical and stable isotopic studies of Celebes and Sulu Sea sediments; sites 767 and 768, ODP Leg 124. Institute of Earth Sciences Academia Sinica, Taipei, Taiwan, Diqiu Kexue Jikan = TAO, Terrestrial, Atmospheric and Oceanic Sciences, 2 (3), 267-279, georefid:1992-038837